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155results about "Inorganic compound libraries" patented technology

Nanostructured substrates for surface enhanced raman spectroscopy (SERS) and detection of biological and chemical analytes by electrical double layer (EDL) capacitance

Provided according to embodiments of the invention are nanostructured surfaces that include a substrate; and an array of metallic nanopillar islands on the substrate, wherein each metallic nanopillar island includes a metal base layer on the substrate and a plurality of metallic nanopillars on the metal base layer, and wherein portions of the substrate between adjacent metallic nanopillar islands are free of the metal base layer. Also provided according to some embodiments of the invention are nanostructured surfaces that include a non-conductive substrate; and at least one nanoelectrode defined within the non-conductive substrate, wherein the at least one nanoelectrode is sized and / or shaped to immobilize an analyte or a probe molecule. Also provided are apparatuses and methods for SERS and detection of analytes or biological binding by EDL capacitance.
Owner:CLEMSON UNIV RES FOUND

Using liquid crystals to detect affinity microcontact printed biomolecules

The present invention provides methods, devices and kits for detecting a ligand. The methods involve capturing a ligand from a sample with an affinity substrate that includes a receptor for a ligand, transferring captured ligand to a detection surface and detecting the ligand on the detection surface with a liquid crystal. Accordingly, the capture step is decoupled from the detection step.
Owner:WISCONSIN ALUMNI RES FOUND

Combinatorial synthesis of material chips

Systems and methods for providing in situ, controllably variable concentrations of one, two or more chemical components on a substrate to produce an integrated materials chip. The component concentrations can vary linearly, quadratically or according to any other reasonable power law with one or two location coordinates. In one embodiment, a source and a mask with fixed or varying aperture widths and fixed or varying aperture spacings are used to produce the desired concentration envelope. In another embodiment, a mask with one or more movable apertures or openings provides a chemical component flux that varies with location on the substrate, in one or two dimensions. In another embodiment, flow of the chemical components through nuzzle slits provides the desired concentrations. An ion beam source, a sputtering source, a laser ablation source, a molecular beam source, a chemical vapor deposition source and / or an evaporative source can provide the chemical component(s) to be deposited on the substrate. Carbides, nitrides, oxides halides and other elements and compounds can be added to and reacted with the deposits on the substrate.
Owner:INTEMATIX

Parallel flow reactor having improved thermal control

Parallel flow chemical processing systems, such as parallel flow chemical reaction systems are disclosed. These systems are adapted to simultaneously and independently vary temperature between separate flow channels, preferably by employing separate, individual heating elements in thermal communication with each of four or more parallel flow reactors. The flow reactors are preferably isolated from each other using a thermal isolation system comprising fluid-based heat exchange. In preferred embodiments, the axial heat flux can be fixedly or controllably varied.
Owner:FREESLATE

Nanofabrication processes and devices for the controlled assembly of functionalized nanostructures

The invention relates to processes and devices for the controlled fabrication of nanostructures from starting components that have high fidelity recognition properties and multiple binding groups. In one embodiment, the invention relates to the formation of nanostructures using controlled sequential addition of nanocomponents at regular intervials via sequential formation of binding pairs or other chemical binding reactions.
Owner:RGT UNIV OF CALIFORNIA

Modified support materials for catalysts

The present invention relates to a method of producing a catalyst or pre-catalyst suitable for assisting in the production of alkenyl alkanoates. The method includes contacting a modifier precursor to a support material to form a modified support material. One or more catalytic component precursors (palladium or gold) may be contacted to the modified support material. The atomic ratio of gold to palladium is preferably in the range of about 0.3 to about 0.90. The support materials with the catalytic component may then be reduced using a reducing environment. A composition for catalyzing the production of an alkenyl alkanoates including a modified support material with palladium and gold is also included within the invention. Catalysts of the present invention may be used to produce alkenyl alkanoates in general and vinyl acetate in particular and are useful to produce low EA / VA ratios while maintaining or improving CO2 selectivity.
Owner:CELANESE INT CORP

Methods for screening catalysts in a parallel fixed-bed reactor

The present invention discloses an apparatus and method for rapid analysis of members of a combinatorial library. The apparatus includes a plurality of vessels for containing individual library members and a fluid handling system that apportions a test fluid about equally between each of the vessels. This allows for simultaneous screening of library members by detecting changes in test fluid following contact with individual library members. Fluid flow through each of the vessels is controlled using passive flow restrictors or active flow controllers to ensure that each library member contacts approximately the same amount of test fluid per unit time. The disclosed apparatus is especially useful for screening library members based on their ability to catalyze the conversion of fluid reactants.
Owner:SYMYX SOLUTIONS

Combinatorial synthesis of ceramic materials

InactiveUS20040062911A1Overcome limitationsRealistic and physical propertyButtonsLayered productsTest materialCombinatorial synthesis
A combinatorial library includes a gelcast substrate defining a plurality of cavities in at least one surface thereof; and a plurality of gelcast test materials in the cavities, at least two of the test materials differing from the substrate in at least one compositional characteristic, the two test materials differing from each other in at least one compositional characteristic.
Owner:UT BATTELLE LLC

Design of new materials whose use produces a chemical bond with a descriptor of said bond

For estimating a property of use, for example the activity of a catalyst or the ability to hold a ratio-element in a solid mineral matrix, or a material MAB whose active element is AB, there are used a descriptor DAB of the chemical bond between A and B, which has the dimension of an energy, and index RAB that measures the property of use of said material. The invention also relates to a process for determining the chemical affinity of an element or a set of elements B for a matrix A with a descripor DAB. The process according to the invention advantageously can be used for the design of new materials whose use produces the formation or the modification of at least one chemical bond or makes it necessary to prevent the formation of said bond.
Owner:INST FR DU PETROLE

Device and method for detecting organic molecules in a test substance

An apparatus for detecting organic molecules, especially biomolecules and polymers, in a probe substance, comprisesa test system (300) comprising an array of test sites (T) to which the probe substance can be supplied, each test site having specific probe molecules (320), an illumination system (100) for optically illuminating a sub-array of test sites (T), and a detection system (400) for identifying those test sites (T) whose probe molecules (320) interact with the organic molecules (350) to be detected, the illumination system (100) comprising an array of independently addressable illumination sources (B) arranged such that to each test site (T) of the sub-array is assigned at least one illumination source (B) that illuminates substantially only it.
Owner:LOSSAU HARALD

Electrode array for development and testing of materials

Methods and apparatus employ the use of arrays of two or more electronically discrete electrodes to facilitate high-throughput preparation and testing of materials with two or more elements. High rates of deposition, synthesis and / or analysis of materials are achieved with the use of arrays of electrodes whereby desired materials are developed. The high rate synthesis and / or analysis of an array of materials uses deposition control techniques in conjunction with the electrode array to develop a meaningful array of materials and to analyze the materials for desired characteristics to develop one or more materials with desired characteristics. The use of an array of electrodes enables high throughput development of materials having scientific and economic advantages.
Owner:POPE JOHN +1

Optically encoded particles, system and high-throughput screening

ActiveUS20070148695A1Amenable to in vivo diagnosticsBioreactor/fermenter combinationsPeptide librariesPorosityAnalyte
The invention concerns a particle having a code from a library of codes embedded in its physical structure by refractive index changes between different regions of the particle. In preferred embodiments, a thin film possesses porosity that varies in a manner to produce a code detectable in the reflectivity spectrum. An assay detection method uses such a particle and detects a spectral shift in the presence of an analyte. Additional embodiments are disclosed including additional features.
Owner:RGT UNIV OF CALIFORNIA

Catalytic testing device and method for its use in material testing

A catalytic testing device comprising a reaction block comprising a set of reaction chambers, each chamber comprising a fluid inlet and outlet connected to an outgoing fluid duct connected to analysis means, fluid feed means capable of performing regulated dosing of flows of the fluid at the required pressure independently in each of the reaction chambers, automatic and dynamic pressure control means, capable of performing pressure regulation in each reaction chamber, which comprise a non-return valve in the outgoing fluid duct between the outlets of the reaction chambers and a common regulating tank that receives the outgoing fluid from the chambers, a pressure sensor provided in a first outlet duct and an automatic needle valve provided in a second outlet duct from the tank.
Owner:CONSEJO SUPERIOR DE INVESTIGACIONES CIENTIFICAS (CSIC) +1

Sample analysis by mass cytometry

In a mass cytometer system, a tissue sample labeled with multiple metal tags is supported on an encoded substrate for distribution profile mapping by laser ablation. Groups of elemental ions from each plume generated by each laser pulse are detected by the mass cytometer and the data is mapped according to the encoded substrate. This configuration allows for the production of a 3-dimentional distribution profile of the multiple metal tags in the tissue sample.
Owner:FLUIDIGM CANADA INC

Method for synthesis of titanium dioxide nanotubes using ionic liquids

The invention is directed to a method for producing titanium dioxide nanotubes, the method comprising anodizing titanium metal in contact with an electrolytic medium containing an ionic liquid. The invention is also directed to the resulting titanium dioxide nanotubes, as well as devices incorporating the nanotubes, such as photovoltaic devices, hydrogen generation devices, and hydrogen detection devices.
Owner:UT BATTELLE LLC

Carbon nanotube composition, method for manufacturing the same, array, and electronic device

The present invention attempts to establish a method for surface-fixing single-walled carbon nanotubes having a desired chirality highly selected from among the single-walled carbon nanotubes having various chiralities, and utilizes the method to provide an array of the carbon nanotubes for electronic devices. The present invention attempts also to provide a carbon nanotube composition including carbon nanotubes having a single chiral vector (n, m) at a purity of more than 50% based on the unit of number wherein n and m are integers, and a method for manufacturing the same.
Owner:HOKKAIDO UNIVERSITY
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